Furthermore, your hotspot remains open for other people to connect to if they want. Every time a new individual shares your connection, you get 100 MB of free data and they get 100 MB of their own data.

At no point will a stranger's data usage affect your own. You're simply sharing a connection, not the data allowance. Additionally their connection will be throttled to ensure that you, as owner of the hotspot, don't even see a loss of bandwidth.

To prevent people from gaming this system, people are required to log in with their Facebook accounts before being able to use a Karma hotspot.

You can top off your data at a flat rate of $14 per GB.

We've been using it lately and have been really pleased at how painless it was to set up and how speedy and reliable the connection is.